Microsoft GDI WMF Parsing Heap Overflow Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Windows. User interaction is required in that a user must open a malicious file or visit a malicious web page. The specific flaw exists within the parsing of malformed WMF files. A...

SuSE 10 Security Update : libpng (ZYPP Patch Number 2325)

The sPLT chunk handling in libpng was incorrect and a handcrafted PNG file could be use to cause an out-of-bounds read, effectively crashing the PNG viewer or webbrowser. CVE-2006-5793 Additionally a 2 byte stackoverflow was fixed which we do not believe to be exploitable. It will cause an abort ...

Apple QuickTime Color Table RGB Parsing Heap Corruption Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple QuickTime. User interaction is required to exploit this vulnerability in that the target must open a malicious file. The specific flaw exists in the parsing of the CTAB atom. While reading th...

php chunk_split integer overflow

Multiple integer overflows in the chunksplit function in PHP 5 before 5.2.3 and PHP 4 before 4.4.8 allow remote attackers to cause a denial of service crash or execute arbitrary code via the 1 chunks, 2 srclen, and 3 chunklen arguments...

libpng DoS via multiple out-of-bounds reads

Certain chunk handlers in libpng before 1.0.29 and 1.2.x before 1.2.21 allow remote attackers to cause a denial of service crash via crafted 1 pCAL pnghandlepCAL, 2 sCAL pnghandlesCAL, 3 tEXt pngpushreadtEXt, 4 iTXt pnghandleiTXt, and 5 ztXT pnghandleztXt chunking in PNG images, which trigger...

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The chunksplit function in string.c in PHP 5.2.3 does not properly calculate the needed buffer size due to precision loss when performing integer arithmetic with floating point numbers, which has unknown attack vectors and impact, possibly resulting in a heap-based buffer overflow. NOTE: this is...

php chunk_split integer overflow

Multiple integer overflows in the chunksplit function in PHP 5 before 5.2.3 and PHP 4 before 4.4.8 allow remote attackers to cause a denial of service crash or execute arbitrary code via the 1 chunks, 2 srclen, and 3 chunklen arguments...

openSUSE 10 Security Update : libpng (libpng-3479)

Applications using libpng can crash if libpng is ask to process a grayscale image with a malformed bad CRC tRNS chunk. CVE-2007-2445 %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from openSUSE Security Update libpng-3479...

openSUSE 10 Security Update : libpng (libpng-2322)

The sPLT chunk handling in libpng was incorrect and a handcrafted PNG file could be use to cause an out-of-bounds read, effectively crashing the PNG viewer or webbrowser. CVE-2006-5793 Additionaly a 2 byte stackoverflow was fixed which we do not believe to be exploitable. It will cause an abort o...

FreeBSD : png -- multiple vulnerabilities (172acf78-780c-11dc-b3f4-0016179b2dd5)

A Secunia Advisory reports : Some vulnerabilities have been reported in libpng, which can be exploited by malicious people to cause a DoS Denial of Service. Certain errors within libpng, including a logical NOT instead of a bitwise NOT in pngtrtran.c, an error in the 16bit cheap transparency...

CVE-2007-5266

Off-by-one error in ICC profile chunk handling in the pngsetiCCP function in pngset.c in libpng before 1.0.29 beta1 and 1.2.x before 1.2.21 beta1 allows remote attackers to cause a denial of service crash via a crafted PNG image that prevents a name field from being NULL terminated...

CVE-2007-5267

Off-by-one error in ICC profile chunk handling in the pngsetiCCP function in pngset.c in libpng before 1.2.22 beta1 allows remote attackers to cause a denial of service crash via a crafted PNG image, due to an incorrect fix for CVE-2007-5266...

CVE-2007-5269

Certain chunk handlers in libpng before 1.0.29 and 1.2.x before 1.2.21 allow remote attackers to cause a denial of service crash via crafted 1 pCAL pnghandlepCAL, 2 sCAL pnghandlesCAL, 3 tEXt pngpushreadtEXt, 4 iTXt pnghandleiTXt, and 5 ztXT pnghandleztXt chunking in PNG images, which trigger...

CVE-2007-5269

CVE-2007-5269 affects libpng in 1.0.x before 1.0.29 and 1.2.x before 1.2.21. An attacker can cause a crash (DoS) by crafting PNG chunks that trigger out-of-bounds reads via the affected chunk handlers: pCAL, sCAL, tEXt, iTXt, and ztXT. Public references in connected docs confirm a libpng patch wa...

png -- multiple vulnerabilities

A Secunia Advisory reports: Some vulnerabilities have been reported in libpng, which can be exploited by malicious people to cause a DoS Denial of Service. Certain errors within libpng, including a logical NOT instead of a bitwise NOT in pngtrtran.c, an error in the 16bit cheap transparency...

CVE-2007-5269

Certain chunk handlers in libpng before 1.0.29 and 1.2.x before 1.2.21 allow remote attackers to cause a denial of service crash via crafted 1 pCAL pnghandlepCAL, 2 sCAL pnghandlesCAL, 3 tEXt pngpushreadtEXt, 4 iTXt pnghandleiTXt, and 5 ztXT pnghandleztXt chunking in PNG images, which trigger...

CVE-2007-5133

Microsoft Windows Explorer explorer.exe allows user-assisted remote attackers to cause a denial of service CPU consumption via a certain PNG file with a large tEXt chunk that possibly triggers an integer overflow in PNG chunk size handling, as demonstrated by badlycrafted.png...

CVE-2007-5133: Undefined Security Weakness

Microsoft Windows Explorer explorer.exe allows user-assisted remote attackers to cause a denial of service CPU consumption via a certain PNG file with a large tEXt chunk that possibly triggers an integer overflow in PNG chunk size handling, as demonstrated by badlycrafted.png...

php chunk_split integer overflow

Multiple integer overflows in the chunksplit function in PHP 5 before 5.2.3 and PHP 4 before 4.4.8 allow remote attackers to cause a denial of service crash or execute arbitrary code via the 1 chunks, 2 srclen, and 3 chunklen arguments...

Possible Windows Explorer bad PNG file preview integer overflow handling

Hi folks, Can anyone confirm that the attached PNG file is causing Explorer to eat 100 CPU, and if this is a known issue ? Currently tested with an up-to-date Windows XP and Windows Vista The probable cause is an integer overflow in the PNG chunk size handling, which is 32-bit large, and which ca...